Figure 5

(a) 2:1, (b) 1:1 and (c) 1:2 Proposed structure of adducts formed between 4 and acetate showing H–bonded pairs and bond lengths (Hartree Fock 6–31G*).

(a) 2:1, (b) 1:1 and (c) 1:2 Proposed structure of adducts formed between 4 and acetate showing H–bonded pairs and bond lengths (Hartree Fock 6–31G*).